7/8" diameter 302/316 stainless steel spring.Stainless Steel Support Spring: 11 ¾ in. long.302 generally offers higher tensile strength, making it better for applications requiring high load capacity, while 316 provides superior corrosion resistance. 316 provides superior corrosion resistance, making it ideal for environments with harsh chemicals or saltwater exposure.Black nylon end plugs, and brackets made of either nylon or aluminum. Each end of this automatic hatch holder has brackets with 4 holes pre-drilled This stainless-steel hatch holder is great for holding boat hatches and many other applications up to 100 lbs. including: Boat lid supports Boat table supports Marine dock and deck box lid supports Door holder Truck/RV large storage cabinet supports Tool cabinet/large toolbox supports Easy to install and easy to use! Hatch holder automatically pops into place after unlatching- just push or pull to collapse and close. 🔩 Installation screws are not included. Please refer to Instruction Manual below. Big Hatch Holder Specifications Large Size--11-3/4 in. L x 7/8 in. Diam. Supports up to 100 lbs. 302/316 stainless steel spring Black nylon end plugs Brackets made of nylon or die cast aluminum Retaining cable to prevent over-extending. (optional) Manufactured and assembled in the USA 📕 Instruction Manual - Used As Hatch Holder📕 Instruction Manual - Used As Door Holder💡 Explore More Ways to Use
